184 



TRANSACTIONS LTVEItroOL BIOLOGICAL SOCIETY. 



Average Catch per Hour of Plaice and Soles in the 

 Mersey Channels with Shrimp-Trawl. 





>> 



M 



s 



hi 



>> 



u 

 cS 

 y 



& 







>> 



IB 

 C 



3 



13 



hi 



So 







< 



,o 

 Q 

 <y 

 Pi 



<L) 

 UJ 



u 

 o> 



O 

 O 



o 



a 



9 



O 



!5 



• 

 a 



0) 



o 



0) 



n 





1892 









95 

 4 



13 

 10 







301 

 35 





881 



1 



383 

 1 



107 

 

































1893 





115 



2 



147 



6 



201 

 5 



248 

 10 



288 

 5 





46 

 14 



594 



27 



263 

 4 



304 







440 







Plaice 

 Soles 



1894 



420 

 



296 



7 







246 

 19 



433 

 31 



315 



47 



122 

 6 









201 

 



Plaice 















Soles 

















1895 







20 







31 

 



46 

 6 



337 

 44 







166 

 11 



35 







822 

 





Plaice 









Soles 















1896 



1197 

 



365 









979 

 13 











120 



57 









Plaice 



















Soles 





















1897 



129 

 34 



126 

 116 













1278 

 197 



343 

 31 



111 

 48 







Plaice 



















Soles 





















1898 



1652 

 90 













632 



275 



49 

 125 



164 

 133 



810 

 148 



75 

 190 





Plaice 































1899 













37 



89 





11 



4 



73 

 31 



51 



24 







Plaice 



















Soles 





















1900 



























Plaice 





























Soles 































1901 





6 

 



23 



6 





1 

 11 



63 

 5 











110 

 





Plaice 













Soles 















1902 



























Plaice 





























Soles 































1903 



























Plaice 





























Soles 































1904 











17 

 150 

















Plaice 



























Soles 





























1905 



39 



2 





50 

 37 



277 

 1 

















3 



112 



Plaice 



















Soles 





















1906 





23 

 71 







58 



fi 









256 

 3 



599 

 3 





Plaice 









119 41 









Soles 





















